<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

declare(strict_types=1);

namespace MokoStandards\Tests\Unit;

use PHPUnit\Framework\TestCase;

/**
 * Tests for cli/version_read.php
 */
class VersionReadTest extends TestCase
{
    private string $tmpDir;
    private string $script;

    protected function setUp(): void
    {
        $this->tmpDir = sys_get_temp_dir() . '/moko-test-' . uniqid();
        mkdir($this->tmpDir, 0755, true);
        $this->script = dirname(__DIR__, 2) . '/cli/version_read.php';
    }

    protected function tearDown(): void
    {
        $this->rmdir($this->tmpDir);
    }

    public function testReadsVersionFromReadme(): void
    {
        file_put_contents(
            "{$this->tmpDir}/README.md",
            "# Test\n<!-- VERSION: 02.03.04 -->\n"
        );

        $this->assertSame('02.03.04', trim($this->runScript()));
    }

    public function testReadsVersionFromXmlManifest(): void
    {
        mkdir("{$this->tmpDir}/src", 0755, true);
        file_put_contents(
            "{$this->tmpDir}/src/test.xml",
            '<extension type="component">'
            . '<version>05.01.00</version></extension>'
        );

        $this->assertSame('05.01.00', trim($this->runScript()));
    }

    public function testStripsStabilitySuffixFromXml(): void
    {
        mkdir("{$this->tmpDir}/src", 0755, true);
        file_put_contents(
            "{$this->tmpDir}/src/test.xml",
            '<extension type="component">'
            . '<version>01.00.00-dev</version></extension>'
        );

        $this->assertSame('01.00.00', trim($this->runScript()));
    }

    public function testReturnsHigherOfReadmeAndManifest(): void
    {
        file_put_contents(
            "{$this->tmpDir}/README.md",
            "<!-- VERSION: 01.02.00 -->\n"
        );
        mkdir("{$this->tmpDir}/src", 0755, true);
        file_put_contents(
            "{$this->tmpDir}/src/test.xml",
            '<extension type="component">'
            . '<version>01.03.00</version></extension>'
        );

        $this->assertSame('01.03.00', trim($this->runScript()));
    }

    public function testExitsNonZeroWhenNoVersion(): void
    {
        file_put_contents(
            "{$this->tmpDir}/README.md",
            "# No version here\n"
        );

        $code = 0;
        $this->runScript($code);
        $this->assertSame(1, $code);
    }

    private function runScript(int &$exitCode = 0): string
    {
        $proc = proc_open(
            ['php', $this->script, '--path', $this->tmpDir],
            [1 => ['pipe', 'w'], 2 => ['pipe', 'w']],
            $pipes
        );

        $stdout = stream_get_contents($pipes[1]);
        fclose($pipes[1]);
        fclose($pipes[2]);
        $exitCode = proc_close($proc);

        return $stdout ?: '';
    }

    private function rmdir(string $dir): void
    {
        if (!is_dir($dir)) {
            return;
        }

        $iter = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator(
                $dir,
                \FilesystemIterator::SKIP_DOTS
            ),
            \RecursiveIteratorIterator::CHILD_FIRST
        );

        foreach ($iter as $file) {
            $file->isDir()
                ? rmdir($file->getPathname())
                : unlink($file->getPathname());
        }

        rmdir($dir);
    }
}